 # set cross-compiled system type, it's better not use the type which cmake cannot recognized.
 SET(CMAKE_SYSTEM_NAME Linux)
 SET(CMAKE_SYSTEM_PROCESSOR arm)
 
 # aarch64-linux-gnu-gcc DO NOT need to be installed, so make sure aarch64-linux-gnu-gcc and aarch64-linux-gnu-g++ can be found in $PATH:
 SET(CMAKE_C_COMPILER   "aarch64-openwrt-linux-musl-gcc")
 SET(CMAKE_CXX_COMPILER "aarch64-openwrt-linux-musl-g++")
 
 # set searching rules for cross-compiler
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

